Engine cover of an outboard motor for a vessel



FIG. 1 is a perspective view of An engine cover of an outboard motor for a vessel, showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right side elevation view thereof; and,

FIG. 6 is a left side elevation view thereof.

The broken line showing of a portion of an engine exhaust treatment device housing is included for the purpose of illustrating environmental structure and forms no part of the claimed design. 

The ornamental design for, an engine cover of an outboard motor for a vessel, as shown and described. 